La Plata, MD ZIP Codes
One ZIP code serves La Plata, Maryland: 20646. Together they are home to 21,400 residents in 7,756 households. That is more than the 10,683 people counted inside La Plata town limits, because these ZIP codes reach past its boundary.
La Plata town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 10,683 |
| Households | 3,941 |
| Median household income | $121,208 |
| Median home value | $428,400 |
| Median age | 41.7 |
| Median rent | $1,559 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 21,400 |
| Households (sum of ZIP codes) | 7,756 |
| Median household income, range across ZIP codes | $131,974 (20646) to $131,974 (20646) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $131,974 |
| Homeowners | 86.5% |
| Households with kids under 18 | 32.5% |
| Moved in the past year | 10.4% |
| Carrier routes in EDDM2GO's route library | 17 routes, 9,494 homes (1 of 1 ZIP codes) |
Every ZIP code in La Plata
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20646 | La Plata | 21,400 | 7,756 | $131,974 | $450,200 | 86.5% | 32.5% | 10.4% | 17 | 9,990 | 9% of its land; mailing city |
A ZIP code is listed for La Plata when at least 10% of its land lies inside La Plata town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is La Plata. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside La Plata.
Counties
- Charles County — 22 ZIP codes
Nearby cities sharing these ZIP codes
- Bryans Road — 3 ZIP codes
Price a mailing to La Plata ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in La Plata, MD?
- 20646. A ZIP code is listed for La Plata when at least 10% of its land lies inside La Plata town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is La Plata.
- What is the population of La Plata, MD?
- The Census Bureau counts 10,683 residents inside La Plata town limits (ACS 2020–2024). The 1 ZIP code that serve La Plata hold 21,400 residents in all.
- What is the median household income in La Plata, MD?
- $121,208 inside La Plata town limits, per the Census Bureau. Across its ZIP codes the medians run from $131,974 to $131,974.
- How many carrier routes and mailboxes are in La Plata, MD?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 17 carrier routes reaching 9,494 residential and 496 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.